var exp = require('express')
bodyParser = require('body-parser')
app = exp()
app.use(exp.static('www'))
app.use(bodyParser.urlencoded())
app.get('/',function(req,res){
    console.log('req.query')
    res.send('get请求返回')
})
app.listen(3000,()=>{console.log('hahh')})